library(dplyr)
library(intsvy)
library(haven)
library(caret)
library(ggplot2)
library(tidyr)
library(glmnet)
library(caTools)
library(readxl)
library(tidyverse)
library(writexl)
library(caTools)
library(xgboost)
library(DiagrammeR)
temp_metrics <- read_xlsx(path = "/Users/mauriciodarcourt/Downloads/bkg/pisa_ms_bkg_read_stu_compendium.xlsx")
New names:
col.readvars <- temp_metrics$metrics

stu_headers <- read_xlsx(path = '/Users/mauriciodarcourt/Documents/Pisa/data/2018/headers.xlsx')
stu_headers_list <- stu_headers$stu_headers
stu_headers

######Grabbing all variables measured in pisa


df <- data.frame(stu_headers)
write_xlsx(df,path = "/Users/mauriciodarcourt/Documents/Pisa/data/2018/headers.xlsx")
check <- function(list1,list2){
  
  temp_list <- list()
  for(x in list1){
    if ((x %in% (list2))){
      temp_list <- append(temp_list,x)
    }
  }
return(temp_list)
}
a.check <- check(col.readvars,stu_headers_list)
a <- do.call(rbind.data.frame,a.check)
pisa <- pisa.select.merge(folder = "/Users/mauriciodarcourt/Documents/Pisa/data/2018/final",student.file = "CY07_MSU_STU_QQQ.sav", school.file = "CY07_MSU_SCH_QQQ.sav",student= a.check

)

###CLeaning dataset and piecing together

#identifier data[,c("CNT",)]
id <- data.frame(pisa$CNT)
body <- pisa[,names(pisa) %in% a$c..ST004D01T....ST011Q01TA....ST011Q02TA....ST011Q03TA....ST011Q04TA...]

start = match("PV1READ",names(pisa))
end = match("PV10READ",names(pisa))

score<- data.frame(pisa[,start:end])
score <- rowMeans(score)
clean.data <- data.frame(id , body, score)
clean.data <- clean.data[complete.cases(clean.data),]
cc <- sum(complete.cases(clean.data))
table(clean.data$pisa.CNT)

Factors for categorical variables

for (x in 1:90){
  
  clean.data[,x:x] <- as.factor(clean.data[,x:x])  
}
  

Create training and testing split


set.seed(101) 
sample = sample.split(clean.data$REPEAT, SplitRatio = .7)
train = subset(clean.data, sample == TRUE)
test  = subset(clean.data, sample == FALSE)

linear model

model <- lm(score ~ . ,data = train,)

lm model results

summary(model)

Call:
lm(formula = score ~ ., data = train)

Residuals:
    Min      1Q  Median      3Q     Max 
-302.00  -40.44    1.04   41.70  361.26 

Coefficients:
             Estimate Std. Error t value Pr(>|t|)    
(Intercept) 256.02030    6.00844  42.610  < 2e-16 ***
pisa.CNTARG  17.32432    1.92989   8.977  < 2e-16 ***
pisa.CNTAUS  56.26976    1.79885  31.281  < 2e-16 ***
pisa.CNTAUT  43.91700    2.00704  21.882  < 2e-16 ***
pisa.CNTBGR  23.91467    2.20471  10.847  < 2e-16 ***
pisa.CNTBIH  -9.04091    2.00089  -4.518 6.23e-06 ***
pisa.CNTBLR  40.12377    1.96796  20.388  < 2e-16 ***
pisa.CNTBRA  34.01561    1.99909  17.016  < 2e-16 ***
pisa.CNTBRN  17.81473    2.07986   8.565  < 2e-16 ***
pisa.CNTCHE  45.64556    2.19720  20.774  < 2e-16 ***
pisa.CNTCHL  37.19875    1.98780  18.714  < 2e-16 ***
pisa.CNTCOL  37.62220    1.99549  18.854  < 2e-16 ***
pisa.CNTCRI  26.75729    1.99062  13.442  < 2e-16 ***
pisa.CNTDEU  71.36953    2.49229  28.636  < 2e-16 ***
pisa.CNTDOM  -0.18863    3.52573  -0.054 0.957333    
pisa.CNTESP  35.45645    1.62633  21.801  < 2e-16 ***
pisa.CNTEST  64.21085    1.94244  33.057  < 2e-16 ***
pisa.CNTFRA  59.03773    2.07178  28.496  < 2e-16 ***
pisa.CNTGBR  57.58066    2.50589  22.978  < 2e-16 ***
pisa.CNTGRC  29.65277    1.93754  15.304  < 2e-16 ***
pisa.CNTHKG  96.49169    1.94532  49.602  < 2e-16 ***
pisa.CNTHRV  42.62936    1.95849  21.766  < 2e-16 ***
pisa.CNTHUN  30.91105    2.00529  15.415  < 2e-16 ***
pisa.CNTIDN  19.02264    1.81406  10.486  < 2e-16 ***
pisa.CNTIRL  62.52588    2.05116  30.483  < 2e-16 ***
pisa.CNTISL  28.00336    2.43235  11.513  < 2e-16 ***
pisa.CNTITA  45.64269    1.78186  25.615  < 2e-16 ***
pisa.CNTJOR  46.63602    1.93358  24.119  < 2e-16 ***
pisa.CNTKAZ   9.94730    1.68079   5.918 3.26e-09 ***
pisa.CNTKOR  66.19220    1.84548  35.867  < 2e-16 ***
pisa.CNTKSV -42.03000    2.18339 -19.250  < 2e-16 ***
pisa.CNTLTU  27.81497    1.90142  14.629  < 2e-16 ***
pisa.CNTLVA  31.19928    1.97859  15.768  < 2e-16 ***
pisa.CNTMAC  94.41982    2.02775  46.564  < 2e-16 ***
pisa.CNTMAR  16.53377    2.99337   5.523 3.33e-08 ***
pisa.CNTMDA  19.29362    2.10442   9.168  < 2e-16 ***
pisa.CNTMEX  27.42295    2.11295  12.979  < 2e-16 ***
pisa.CNTMLT  22.72962    2.28274   9.957  < 2e-16 ***
pisa.CNTMNE   5.97117    1.99431   2.994 0.002753 ** 
pisa.CNTPAN  15.92967    2.99796   5.314 1.08e-07 ***
pisa.CNTPER  22.11123    2.37443   9.312  < 2e-16 ***
pisa.CNTPHL -17.57170    2.02450  -8.680  < 2e-16 ***
pisa.CNTPOL  55.90513    1.94072  28.806  < 2e-16 ***
pisa.CNTPRT  62.45301    1.97146  31.679  < 2e-16 ***
pisa.CNTQAZ  -0.31301    2.32582  -0.135 0.892943    
pisa.CNTQMR  55.70492    2.68312  20.761  < 2e-16 ***
pisa.CNTQRT  44.20914    1.98467  22.275  < 2e-16 ***
pisa.CNTROU   5.63293    2.16801   2.598 0.009372 ** 
pisa.CNTRUS  54.41711    1.89703  28.685  < 2e-16 ***
pisa.CNTSAU  24.61949    2.17391  11.325  < 2e-16 ***
pisa.CNTSRB  21.10570    2.01440  10.477  < 2e-16 ***
pisa.CNTSVK  36.74493    1.98036  18.555  < 2e-16 ***
pisa.CNTSVN  42.02605    1.96761  21.359  < 2e-16 ***
pisa.CNTTAP  61.37158    1.81664  33.783  < 2e-16 ***
pisa.CNTTHA  13.94142    1.76607   7.894 2.95e-15 ***
pisa.CNTTUR  37.61933    1.87832  20.028  < 2e-16 ***
pisa.CNTUKR  36.16946    1.98746  18.199  < 2e-16 ***
pisa.CNTURY  41.32574    2.50873  16.473  < 2e-16 ***
ST004D01T2   -3.11916    0.37025  -8.425  < 2e-16 ***
ST011Q01TA2  -2.76037    0.66624  -4.143 3.43e-05 ***
ST011Q02TA2   3.48202    0.47768   7.289 3.13e-13 ***
ST011Q03TA2  -0.41959    0.57694  -0.727 0.467062    
ST011Q04TA2  -7.98281    0.71205 -11.211  < 2e-16 ***
ST011Q05TA2   2.37556    0.37898   6.268 3.66e-10 ***
ST011Q06TA2 -11.34632    0.85755 -13.231  < 2e-16 ***
ST011Q07TA2  -5.11854    0.43327 -11.814  < 2e-16 ***
ST011Q08TA2   2.59712    0.41885   6.201 5.64e-10 ***
ST011Q09TA2   0.27528    0.38448   0.716 0.473994    
ST011Q10TA2  -0.32216    0.50165  -0.642 0.520749    
ST011Q11TA2  -1.48280    0.39362  -3.767 0.000165 ***
ST011Q12TA2  -7.26796    0.66187 -10.981  < 2e-16 ***
ST011Q16NA2   4.65719    0.39166  11.891  < 2e-16 ***
ST012Q01TA2  -0.93472    1.56968  -0.595 0.551523    
ST012Q01TA3  -5.13071    1.59497  -3.217 0.001297 ** 
ST012Q01TA4  -7.64284    1.63937  -4.662 3.13e-06 ***
ST012Q02TA2   3.19360    0.56556   5.647 1.64e-08 ***
ST012Q02TA3   2.79753    0.69284   4.038 5.40e-05 ***
ST012Q02TA4  -4.33444    0.90187  -4.806 1.54e-06 ***
ST012Q03TA2   5.04776    0.72737   6.940 3.95e-12 ***
ST012Q03TA3   8.77723    0.83333  10.533  < 2e-16 ***
ST012Q03TA4   9.64191    1.03382   9.327  < 2e-16 ***
ST012Q05NA2   9.28935    1.21875   7.622 2.51e-14 ***
ST012Q05NA3  24.71230    1.22774  20.128  < 2e-16 ***
ST012Q05NA4  28.09491    1.17440  23.923  < 2e-16 ***
ST012Q06NA2   7.75186    0.87710   8.838  < 2e-16 ***
ST012Q06NA3  15.05370    0.98904  15.221  < 2e-16 ***
ST012Q06NA4  23.60916    1.11561  21.163  < 2e-16 ***
ST012Q07NA2  -2.08643    0.44731  -4.664 3.10e-06 ***
ST012Q07NA3  -4.25596    0.60734  -7.008 2.44e-12 ***
ST012Q07NA4  -8.61381    0.79893 -10.782  < 2e-16 ***
ST012Q08NA2  -5.56082    0.48702 -11.418  < 2e-16 ***
ST012Q08NA3  -8.36379    0.94388  -8.861  < 2e-16 ***
ST012Q08NA4 -14.33083    1.21721 -11.774  < 2e-16 ***
ST012Q09NA2   1.62448    0.42272   3.843 0.000122 ***
ST012Q09NA3   5.90410    0.53559  11.024  < 2e-16 ***
ST012Q09NA4   7.66140    0.56999  13.441  < 2e-16 ***
ST013Q01TA2   4.05861    0.56189   7.223 5.11e-13 ***
ST013Q01TA3  15.53142    0.56451  27.513  < 2e-16 ***
ST013Q01TA4  22.85638    0.68149  33.539  < 2e-16 ***
ST013Q01TA5  31.57393    0.77486  40.748  < 2e-16 ***
ST013Q01TA6  26.27137    0.93626  28.060  < 2e-16 ***
ST097Q03TA2   5.00574    0.81668   6.129 8.84e-10 ***
ST097Q03TA3   8.30275    0.79240  10.478  < 2e-16 ***
ST097Q03TA4  10.51472    0.83246  12.631  < 2e-16 ***
ST097Q04TA2   5.06513    1.02245   4.954 7.28e-07 ***
ST097Q04TA3   7.11848    0.99267   7.171 7.48e-13 ***
ST097Q04TA4   7.35922    1.02541   7.177 7.17e-13 ***
ST097Q05TA2   2.35245    0.88831   2.648 0.008092 ** 
ST097Q05TA3   2.66555    0.86902   3.067 0.002160 ** 
ST097Q05TA4   1.05630    0.90465   1.168 0.242956    
ST100Q01TA2   7.50156    0.47649  15.743  < 2e-16 ***
ST100Q01TA3   3.05291    0.61135   4.994 5.93e-07 ***
ST100Q01TA4   0.48626    0.85474   0.569 0.569429    
ST100Q02TA2   0.08236    0.50110   0.164 0.869449    
ST100Q02TA3  -4.58736    0.65048  -7.052 1.77e-12 ***
ST100Q02TA4  -5.95949    1.00235  -5.946 2.76e-09 ***
ST100Q03TA2  -0.54689    0.52674  -1.038 0.299151    
ST100Q03TA3  -2.19495    0.70961  -3.093 0.001981 ** 
ST100Q03TA4  -0.71820    1.08372  -0.663 0.507514    
ST100Q04TA2   3.64700    0.47835   7.624 2.47e-14 ***
ST100Q04TA3  -0.28561    0.61361  -0.465 0.641607    
ST100Q04TA4  -0.97535    0.92753  -1.052 0.293009    
ST102Q01TA2   3.08465    0.44921   6.867 6.59e-12 ***
ST102Q01TA3   2.15937    0.59323   3.640 0.000273 ***
ST102Q01TA4   7.78529    0.91507   8.508  < 2e-16 ***
ST102Q02TA2  -1.05651    0.45019  -2.347 0.018936 *  
ST102Q02TA3  -3.79223    0.59729  -6.349 2.17e-10 ***
ST102Q02TA4  -4.23067    1.01932  -4.151 3.32e-05 ***
ST102Q03TA2   8.15359    0.50596  16.115  < 2e-16 ***
ST102Q03TA3  17.66419    0.52444  33.682  < 2e-16 ***
ST102Q03TA4  22.75298    0.66942  33.989  < 2e-16 ***
ST102Q04TA2   4.04863    0.44850   9.027  < 2e-16 ***
ST102Q04TA3   0.98285    0.58213   1.688 0.091342 .  
ST102Q04TA4  -5.32053    0.96577  -5.509 3.61e-08 ***
ST211Q01HA2   5.73926    0.87222   6.580 4.72e-11 ***
ST211Q01HA3   4.22230    0.86934   4.857 1.19e-06 ***
ST211Q01HA4   4.50604    0.97660   4.614 3.95e-06 ***
ST211Q02HA2   0.47429    0.84550   0.561 0.574826    
ST211Q02HA3  -0.73513    0.86714  -0.848 0.396569    
ST211Q02HA4  -0.23275    0.99977  -0.233 0.815913    
ST211Q03HA2   2.28252    0.86330   2.644 0.008196 ** 
ST211Q03HA3   0.92157    0.87594   1.052 0.292760    
ST211Q03HA4   0.43739    0.99429   0.440 0.660009    
ST212Q01HA2   1.73885    0.67172   2.589 0.009636 ** 
ST212Q01HA3   8.73768    0.71936  12.147  < 2e-16 ***
ST212Q01HA4  13.82826    0.79812  17.326  < 2e-16 ***
ST212Q02HA2  -2.28504    0.61730  -3.702 0.000214 ***
ST212Q02HA3  -2.80354    0.67565  -4.149 3.34e-05 ***
ST212Q02HA4  -0.85855    0.75810  -1.133 0.257420    
ST212Q03HA2  -1.08119    0.49989  -2.163 0.030555 *  
ST212Q03HA3  -1.23304    0.56069  -2.199 0.027868 *  
ST212Q03HA4  -2.86103    0.68890  -4.153 3.28e-05 ***
ST104Q02NA2  -3.10876    0.48978  -6.347 2.20e-10 ***
ST104Q02NA3  -3.97609    0.60772  -6.543 6.07e-11 ***
ST104Q02NA4  -6.63978    0.83628  -7.940 2.04e-15 ***
ST104Q03NA2  -3.13579    0.57606  -5.443 5.23e-08 ***
ST104Q03NA3  -3.54989    0.68431  -5.188 2.13e-07 ***
ST104Q03NA4  -3.93112    0.90244  -4.356 1.33e-05 ***
ST104Q04NA2  -1.71789    0.60078  -2.859 0.004245 ** 
ST104Q04NA3  -3.11723    0.69626  -4.477 7.57e-06 ***
ST104Q04NA4  -8.93511    0.86848 -10.288  < 2e-16 ***
ST213Q01HA2   2.40095    1.08925   2.204 0.027510 *  
ST213Q01HA3  -0.64565    1.46814  -0.440 0.660101    
ST213Q01HA4   0.49916    2.18417   0.229 0.819230    
ST213Q02HA2  -5.90268    0.85603  -6.895 5.39e-12 ***
ST213Q02HA3 -13.74261    1.31904 -10.419  < 2e-16 ***
ST213Q02HA4 -15.12378    1.96894  -7.681 1.59e-14 ***
ST213Q03HA2   3.50131    1.27258   2.751 0.005936 ** 
ST213Q03HA3   5.18962    1.52969   3.393 0.000693 ***
ST213Q03HA4  10.45455    2.12121   4.929 8.29e-07 ***
ST213Q04HA2   2.75982    1.13126   2.440 0.014705 *  
ST213Q04HA3   3.37127    1.54724   2.179 0.029341 *  
ST213Q04HA4   1.27455    2.29364   0.556 0.578423    
ST150Q01IA2   0.46951    0.49379   0.951 0.341697    
ST150Q01IA3  -3.54592    0.58700  -6.041 1.54e-09 ***
ST150Q01IA4  -1.84162    0.62443  -2.949 0.003186 ** 
ST150Q02IA2   3.71122    0.42027   8.831  < 2e-16 ***
ST150Q02IA3   2.95807    0.50716   5.833 5.47e-09 ***
ST150Q02IA4   1.76554    0.61477   2.872 0.004081 ** 
ST150Q03IA2  -2.93108    0.48145  -6.088 1.15e-09 ***
ST150Q03IA3  -6.61227    0.58429 -11.317  < 2e-16 ***
ST150Q03IA4  -5.62281    0.63289  -8.884  < 2e-16 ***
ST150Q04HA2  -2.62514    0.49684  -5.284 1.27e-07 ***
ST150Q04HA3  -5.35825    0.55328  -9.685  < 2e-16 ***
ST150Q04HA4   0.50787    0.52528   0.967 0.333618    
ST152Q05IA2   4.98595    0.72922   6.837 8.10e-12 ***
ST152Q05IA3  15.06740    0.77181  19.522  < 2e-16 ***
ST152Q05IA4  20.00016    0.85383  23.424  < 2e-16 ***
ST152Q06IA2  -5.92894    0.53714 -11.038  < 2e-16 ***
ST152Q06IA3  -9.17715    0.59852 -15.333  < 2e-16 ***
ST152Q06IA4  -8.96573    0.74869 -11.975  < 2e-16 ***
ST152Q08IA2  -0.56706    0.70715  -0.802 0.422610    
ST152Q08IA3   2.58506    0.75266   3.435 0.000594 ***
ST152Q08IA4   3.67696    0.83335   4.412 1.02e-05 ***
ST154Q01HA2   7.15002    0.77897   9.179  < 2e-16 ***
ST154Q01HA3   7.81031    0.86292   9.051  < 2e-16 ***
ST154Q01HA4  10.75354    0.86860  12.380  < 2e-16 ***
ST154Q01HA5  28.16206    0.80998  34.769  < 2e-16 ***
ST154Q01HA6  20.33883    1.05259  19.323  < 2e-16 ***
ST160Q01IA2  -1.12688    0.52260  -2.156 0.031061 *  
 [ reached getOption("max.print") -- omitted 115 rows ]
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 61.54 on 138645 degrees of freedom
Multiple R-squared:  0.5663,    Adjusted R-squared:  0.5653 
F-statistic: 576.4 on 314 and 138645 DF,  p-value: < 2.2e-16

accuracy linear model

pred.train <- predict(model, newdata=train) #R2 train
pred.test <- predict(model, newdata=test)   #R2 test

lin.reg.R2.train <- R2(pred.train,train$score)
lin.reg.MAE.train <-mean(abs(train$score-pred.train))
lin.reg.RMSE.train <-sqrt(mean((train$score-pred.train)^2))

lin.reg.R2.test <- R2(pred.test,test$score)                 
lin.reg.MAE.test <-mean(abs(test$score-pred.test))
lin.reg.RMSE.test <-sqrt(mean((test$score-pred.test)^2))

linear.summary <- data.frame(
             train.r2 = lin.reg.R2.train,
             train.MAE = lin.reg.MAE.train,
             train.RMSE = lin.reg.RMSE.train,
             test.r2 = lin.reg.R2.test,
             test.MAE = lin.reg.MAE.test,
             test.RMSE = lin.reg.RMSE.test )

print(linear.summary)
NA
library(rpart)
library(randomForest)
randomForest 4.7-1.1
Type rfNews() to see new features/changes/bug fixes.

Attaching package: ‘randomForest’

The following object is masked from ‘package:ggplot2’:

    margin

The following object is masked from ‘package:dplyr’:

    combine
library(rpart.plot)
cv.trees = train(y = train$score, x = subset(train, select = -c(score))  , method = "rpart", 
                 trControl = trainControl(method = "cv", number = 10), 
                 tuneGrid = data.frame(.cp = seq(.00002,.002,.00002)))
pdf('CART.pdf',12,12)
prp(cv.trees$finalModel,varlen=0,faclen=0,digits=3) 
dev.off()

best.tree <- cv.trees$finalModel
set.seed(123)
best.rf <- randomForest(score~. ,data = train )
#predict cart
cart.train.pred <- predict(best.tree, newdata =train )
cart.test.pred <- predict(best.tree, newdata = test)


CART.R2.train <- R2(cart.train.pred,train$score)
CART.MAE.train <- mean(abs(train$score-cart.train.pred))
CART.RMSE.train <- sqrt(mean((train$score-cart.train.pred)^2))

CART.R2.test <- R2(cart.test.pred,test$score)
CART.MAE.test <- mean(abs(test$score-cart.test.pred))
CART.RMSE.test <- sqrt(mean((test$score-cart.test.pred)^2))

#predict RF

#rf.train.pred <- predict(best.rf,newdata = train)
#rf.test.pred <- predict(best.rf,newdata = test)

#RF.R2.train <- R2(rf.train.pred,train$score)
#RF.MAE.train <- mean(abs(train$score-rf.train.pred))
#RF.RMSE.train <- sqrt(mean((train$score-rf.train.pred)^2))


#RF.R2.test <- R2(rf.test.pred,test$score)
#RF.MAE.test <- mean(abs(test$score-rf.test.pred))
#RF.RMSE.test <- sqrt(mean((test$score-rf.test.pred)^2))
# Summary

a = "Linear"
b = "Cart"
c = "Rf"
summary_statistics <- data.frame(
  row.name = c(a,b,c),
  IS.R2 = c(lin.reg.R2.train,CART.R2.train,RF.R2.train),
  IS.MAE = c(lin.reg.MAE.train,CART.MAE.train,RF.MAE.train),
  IS.RMSE = c(lin.reg.RMSE.train,CART.RMSE.train,RF.RMSE.train),
  OOS.R2 = c(lin.reg.R2.test,CART.R2.test,RF.R2.test),
  OOS.MAE = c(lin.reg.MAE.test,CART.MAE.test,RF.MAE.test),
  OOS.RMSE = c(lin.reg.RMSE.test,CART.RMSE.test,RF.RMSE.test)
)
Error in data.frame(row.name = c(a, b, c), IS.R2 = c(lin.reg.R2.train,  : 
  object 'CART.R2.train' not found
print(summary_statistics)

Sub-setting per Country

espana.pisa <- subset(clean.data,clean.data$pisa.CNT == 'ESP')

set.seed(101) 
sample = sample.split(espana.pisa$IMMIG, SplitRatio = .7)
espana.train = subset(espana.pisa, sample == TRUE)
espana.test  = subset(espana.pisa, sample == FALSE)
espana.model <- lm(score ~ . ,data = espana.train[,2:95],)
summary(espana.model)

Call:
lm(formula = score ~ ., data = espana.train[, 2:95])

Residuals:
     Min       1Q   Median       3Q      Max 
-277.043  -37.434    1.903   39.723  196.789 

Coefficients:
              Estimate Std. Error t value Pr(>|t|)    
(Intercept) 322.882263  23.579254  13.693  < 2e-16 ***
ST004D01T2    3.392070   1.266682   2.678 0.007419 ** 
ST011Q01TA2   5.135600   4.019767   1.278 0.201422    
ST011Q02TA2   0.515953   1.865331   0.277 0.782091    
ST011Q03TA2   2.394865   2.471322   0.969 0.332535    
ST011Q04TA2  -9.988764   3.026160  -3.301 0.000967 ***
ST011Q05TA2   5.151523   1.202456   4.284 1.85e-05 ***
ST011Q06TA2   3.647988   4.652173   0.784 0.432971    
ST011Q07TA2  -0.506451   1.422102  -0.356 0.721751    
ST011Q08TA2   0.315544   1.384233   0.228 0.819685    
ST011Q09TA2  -7.783482   1.289482  -6.036 1.63e-09 ***
ST011Q10TA2   3.983660   1.498913   2.658 0.007879 ** 
ST011Q11TA2   0.167433   1.282070   0.131 0.896098    
ST011Q12TA2  -1.324118   4.175492  -0.317 0.751161    
ST011Q16NA2   1.261872   1.320406   0.956 0.339260    
ST012Q01TA2 -14.409598  11.520255  -1.251 0.211032    
ST012Q01TA3 -16.308220  11.489553  -1.419 0.155812    
ST012Q01TA4 -19.801988  11.539004  -1.716 0.086174 .  
ST012Q02TA2   2.696232   2.974606   0.906 0.364735    
ST012Q02TA3   0.372395   3.133594   0.119 0.905405    
ST012Q02TA4  -5.748971   3.692242  -1.557 0.119490    
ST012Q03TA2  20.206356   5.072267   3.984 6.83e-05 ***
ST012Q03TA3  23.874705   5.066896   4.712 2.48e-06 ***
ST012Q03TA4  27.386201   5.389728   5.081 3.81e-07 ***
ST012Q05NA2   5.039166  13.391850   0.376 0.706712    
ST012Q05NA3  28.577543  12.370544   2.310 0.020900 *  
ST012Q05NA4  26.694595  12.249674   2.179 0.029337 *  
ST012Q06NA2   0.487870   4.106162   0.119 0.905425    
ST012Q06NA3   4.037343   4.275209   0.944 0.345006    
ST012Q06NA4  11.082550   4.587517   2.416 0.015717 *  
ST012Q07NA2  -3.778793   2.088585  -1.809 0.070438 .  
ST012Q07NA3  -2.689362   2.519616  -1.067 0.285828    
ST012Q07NA4  -3.644779   3.222655  -1.131 0.258086    
ST012Q08NA2   3.986291   1.329598   2.998 0.002723 ** 
ST012Q08NA3   6.292108   2.246293   2.801 0.005102 ** 
ST012Q08NA4  12.475316   3.490779   3.574 0.000353 ***
ST012Q09NA2  -0.964417   1.505859  -0.640 0.521898    
ST012Q09NA3  -0.457723   1.653966  -0.277 0.781983    
ST012Q09NA4   0.069581   1.751772   0.040 0.968317    
ST013Q01TA2   8.417518   2.646740   3.180 0.001475 ** 
ST013Q01TA3  12.888162   2.515481   5.124 3.05e-07 ***
ST013Q01TA4  18.215682   2.769471   6.577 5.01e-11 ***
ST013Q01TA5  26.059027   2.971004   8.771  < 2e-16 ***
ST013Q01TA6  25.854400   3.367789   7.677 1.77e-14 ***
ST097Q03TA2   2.311513   2.239502   1.032 0.302022    
ST097Q03TA3   0.613683   2.334269   0.263 0.792632    
ST097Q03TA4   0.219764   2.611809   0.084 0.932945    
ST097Q04TA2   6.392354   3.061969   2.088 0.036851 *  
ST097Q04TA3   8.102688   3.040962   2.665 0.007721 ** 
ST097Q04TA4  13.649849   3.194291   4.273 1.94e-05 ***
ST097Q05TA2   1.161526   2.372073   0.490 0.624379    
ST097Q05TA3   0.734002   2.432327   0.302 0.762834    
ST097Q05TA4  -1.348834   2.645092  -0.510 0.610105    
ST100Q01TA2   2.760433   1.670605   1.652 0.098491 .  
ST100Q01TA3   1.494711   2.255465   0.663 0.507533    
ST100Q01TA4   9.742504   3.420963   2.848 0.004409 ** 
ST100Q02TA2   1.324818   1.729493   0.766 0.443684    
ST100Q02TA3  -1.336149   2.154892  -0.620 0.535235    
ST100Q02TA4  -4.986565   3.046303  -1.637 0.101675    
ST100Q03TA2   1.141000   1.861875   0.613 0.540006    
ST100Q03TA3   0.030652   2.629807   0.012 0.990700    
ST100Q03TA4   2.272749   4.294414   0.529 0.596654    
ST100Q04TA2  -2.144699   1.618108  -1.325 0.185054    
ST100Q04TA3  -3.108465   2.065826  -1.505 0.132428    
ST100Q04TA4  -3.562522   3.105880  -1.147 0.251396    
ST102Q01TA2   4.269619   1.497566   2.851 0.004366 ** 
ST102Q01TA3   3.389141   1.946980   1.741 0.081761 .  
ST102Q01TA4   8.657205   2.766024   3.130 0.001754 ** 
ST102Q02TA2  -0.012758   1.478664  -0.009 0.993116    
ST102Q02TA3  -0.962012   1.755564  -0.548 0.583717    
ST102Q02TA4   1.826365   2.569295   0.711 0.477197    
ST102Q03TA2   7.413589   2.144435   3.457 0.000548 ***
ST102Q03TA3  12.393424   2.003683   6.185 6.42e-10 ***
ST102Q03TA4  13.853067   2.153352   6.433 1.30e-10 ***
ST102Q04TA2   5.484402   1.465520   3.742 0.000183 ***
ST102Q04TA3  -0.278748   1.663955  -0.168 0.866963    
ST102Q04TA4  -5.155956   2.476393  -2.082 0.037362 *  
ST211Q01HA2   5.564242   2.828421   1.967 0.049178 *  
ST211Q01HA3  11.382180   2.935283   3.878 0.000106 ***
ST211Q01HA4  16.926616   3.271224   5.174 2.33e-07 ***
ST211Q02HA2  -1.443187   2.621593  -0.550 0.581988    
ST211Q02HA3  -1.585254   2.717147  -0.583 0.559619    
ST211Q02HA4   2.243449   3.180463   0.705 0.480586    
ST211Q03HA2  -1.306564   2.645895  -0.494 0.621452    
ST211Q03HA3  -2.090581   2.821804  -0.741 0.458790    
ST211Q03HA4  -3.329143   3.299000  -1.009 0.312931    
ST212Q01HA2  -0.249902   2.226138  -0.112 0.910621    
ST212Q01HA3   6.095085   2.435317   2.503 0.012336 *  
ST212Q01HA4   9.970125   2.729627   3.653 0.000261 ***
ST212Q02HA2  -0.008257   1.754447  -0.005 0.996245    
ST212Q02HA3  -0.402534   2.019311  -0.199 0.841999    
ST212Q02HA4   0.837744   2.371407   0.353 0.723894    
ST212Q03HA2   0.530426   1.632447   0.325 0.745243    
ST212Q03HA3   0.491869   1.844275   0.267 0.789705    
ST212Q03HA4   1.432523   2.376448   0.603 0.546654    
ST104Q02NA2  -4.208238   1.512532  -2.782 0.005408 ** 
ST104Q02NA3  -6.542152   1.993603  -3.282 0.001036 ** 
ST104Q02NA4  -5.945336   2.932655  -2.027 0.042657 *  
ST104Q03NA2   4.511289   1.714043   2.632 0.008501 ** 
ST104Q03NA3   2.770351   2.105289   1.316 0.188235    
ST104Q03NA4  -0.039022   2.853273  -0.014 0.989089    
ST104Q04NA2  -3.236154   1.719140  -1.882 0.059805 .  
ST104Q04NA3  -6.752144   2.083942  -3.240 0.001199 ** 
ST104Q04NA4 -11.781636   2.780532  -4.237 2.28e-05 ***
ST213Q01HA2  -3.074093   3.566562  -0.862 0.388750    
ST213Q01HA3  -9.615599   4.874298  -1.973 0.048553 *  
ST213Q01HA4 -10.284697   7.277767  -1.413 0.157635    
ST213Q02HA2  -7.335188   2.583584  -2.839 0.004532 ** 
ST213Q02HA3 -15.154136   4.319227  -3.509 0.000452 ***
ST213Q02HA4 -13.769915   6.675602  -2.063 0.039163 *  
ST213Q03HA2  -1.333620   4.105974  -0.325 0.745339    
ST213Q03HA3   0.250221   4.999474   0.050 0.960084    
ST213Q03HA4   1.979411   7.015127   0.282 0.777824    
ST213Q04HA2  -0.192373   3.548297  -0.054 0.956764    
ST213Q04HA3  -4.682299   4.966539  -0.943 0.345820    
ST213Q04HA4 -17.868345   7.426054  -2.406 0.016137 *  
ST150Q01IA2  -0.078713   1.816940  -0.043 0.965446    
ST150Q01IA3  -7.611059   1.985773  -3.833 0.000127 ***
ST150Q01IA4  -9.941790   2.000021  -4.971 6.77e-07 ***
ST150Q02IA2   2.002035   1.571171   1.274 0.202609    
ST150Q02IA3   5.354078   1.689008   3.170 0.001529 ** 
ST150Q02IA4   2.165196   1.902194   1.138 0.255036    
ST150Q03IA2  -1.165111   1.552996  -0.750 0.453130    
ST150Q03IA3  -2.149110   1.826642  -1.177 0.239406    
ST150Q03IA4  -1.018267   1.912107  -0.533 0.594365    
ST150Q04HA2   1.859742   1.715957   1.084 0.278481    
ST150Q04HA3  -0.719656   1.869306  -0.385 0.700255    
ST150Q04HA4   4.810508   1.713291   2.808 0.004998 ** 
ST152Q05IA2   3.873967   1.933300   2.004 0.045115 *  
ST152Q05IA3  10.680883   2.146918   4.975 6.62e-07 ***
ST152Q05IA4   7.131318   2.551218   2.795 0.005195 ** 
ST152Q06IA2  -5.517430   1.410699  -3.911 9.24e-05 ***
ST152Q06IA3 -12.413158   1.818229  -6.827 9.13e-12 ***
ST152Q06IA4 -14.321268   2.681086  -5.342 9.40e-08 ***
ST152Q08IA2   2.257024   1.826134   1.236 0.216501    
ST152Q08IA3   3.314623   2.065974   1.604 0.108658    
ST152Q08IA4   6.117517   2.531116   2.417 0.015668 *  
ST154Q01HA2  -2.296678   2.255966  -1.018 0.308678    
ST154Q01HA3  -2.225732   3.118615  -0.714 0.475432    
ST154Q01HA4   3.129322   2.520947   1.241 0.214511    
ST154Q01HA5  10.361527   2.036336   5.088 3.67e-07 ***
ST154Q01HA6 -15.937030   3.774880  -4.222 2.44e-05 ***
ST160Q01IA2  -2.265870   1.821835  -1.244 0.213626    
ST160Q01IA3  -6.367286   2.295662  -2.774 0.005553 ** 
ST160Q01IA4  -3.042185   2.846365  -1.069 0.285185    
ST175Q01IA2   6.631858   1.733873   3.825 0.000132 ***
ST175Q01IA3   9.602708   2.043982   4.698 2.66e-06 ***
ST175Q01IA4   3.817524   2.445116   1.561 0.118485    
ST175Q01IA5   1.854857   3.101914   0.598 0.549871    
ST161Q01HA2  -0.025814   2.186855  -0.012 0.990582    
ST161Q01HA3  -3.024322   2.195198  -1.378 0.168324    
ST161Q01HA4  -4.948919   2.764939  -1.790 0.073500 .  
ST161Q02HA2   6.359951   3.019807   2.106 0.035220 *  
ST161Q02HA3  17.314054   3.048340   5.680 1.38e-08 ***
ST161Q02HA4  25.719843   3.489595   7.370 1.82e-13 ***
ST161Q03HA2   1.399494   3.870933   0.362 0.717703    
ST161Q03HA3  12.894196   3.695105   3.490 0.000486 ***
ST161Q03HA4  20.156783   3.892201   5.179 2.27e-07 ***
ST161Q06HA2  -9.373312   1.401038  -6.690 2.34e-11 ***
ST161Q06HA3 -17.191579   2.369455  -7.255 4.27e-13 ***
ST161Q06HA4 -29.519778   3.793782  -7.781 7.84e-15 ***
ST161Q07HA2   1.303947   1.825434   0.714 0.475044    
ST161Q07HA3 -10.554082   1.989945  -5.304 1.16e-07 ***
ST161Q07HA4 -11.776440   2.933924  -4.014 6.01e-05 ***
ST161Q08HA2  -0.205893   1.510811  -0.136 0.891603    
ST161Q08HA3 -11.619775   2.089991  -5.560 2.77e-08 ***
ST161Q08HA4  -7.511329   3.697440  -2.031 0.042229 *  
ST184Q01HA2   0.255775   1.539952   0.166 0.868087    
ST184Q01HA3  -4.289143   1.651274  -2.597 0.009404 ** 
ST184Q01HA4  -8.252758   2.205330  -3.742 0.000183 ***
ST185Q01HA2  -3.309946   3.047718  -1.086 0.277485    
ST185Q01HA3 -12.843287   3.097110  -4.147 3.40e-05 ***
ST185Q01HA4 -15.306605   3.363864  -4.550 5.41e-06 ***
ST185Q02HA2   0.322390   3.308922   0.097 0.922386    
ST185Q02HA3  -1.640004   3.426691  -0.479 0.632235    
ST185Q02HA4   0.520311   3.854239   0.135 0.892617    
ST185Q03HA2   1.378203   3.159408   0.436 0.662684    
ST185Q03HA3  -5.911980   3.219652  -1.836 0.066353 .  
ST185Q03HA4 -11.957707   3.509803  -3.407 0.000659 ***
ST208Q01HA2   1.992610   3.418497   0.583 0.559979    
ST208Q01HA3   6.067781   3.522869   1.722 0.085026 .  
ST208Q01HA4   7.117587   3.635804   1.958 0.050298 .  
ST208Q01HA5   4.160375   3.823826   1.088 0.276613    
ST208Q02HA2  -3.567537   2.595514  -1.375 0.169314    
ST208Q02HA3  -7.792128   2.760437  -2.823 0.004769 ** 
ST208Q02HA4 -10.394660   2.948895  -3.525 0.000425 ***
ST208Q02HA5 -11.808154   3.343192  -3.532 0.000414 ***
ST208Q04HA2   4.578753   3.893354   1.176 0.239603    
ST208Q04HA3   7.831928   3.947323   1.984 0.047268 *  
ST208Q04HA4  12.147986   4.003440   3.034 0.002416 ** 
ST208Q04HA5  15.025675   4.163436   3.609 0.000309 ***
ST188Q01HA2   6.271894   4.413694   1.421 0.155343    
ST188Q01HA3  11.940081   4.225658   2.826 0.004728 ** 
ST188Q01HA4  15.822992   4.347201   3.640 0.000274 ***
ST188Q02HA2  18.278342   6.777216   2.697 0.007007 ** 
ST188Q02HA3  13.085821   6.533357   2.003 0.045210 *  
ST188Q02HA4  16.715673   6.591747   2.536 0.011231 *  
ST188Q03HA2  -1.080618   5.242951  -0.206 0.836710    
ST188Q03HA3  -0.222969   5.154052  -0.043 0.965494    
ST188Q03HA4   1.831269   5.280553   0.347 0.728752    
 [ reached getOption("max.print") -- omitted 58 rows ]
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 58.06 on 10954 degrees of freedom
Multiple R-squared:  0.5158,    Adjusted R-squared:  0.5044 
F-statistic:  45.4 on 257 and 10954 DF,  p-value: < 2.2e-16
cv.trees = train(y = espana.train$score, x = subset(espana.train, select = -c(score))  , method = "rpart", 
                 trControl = trainControl(method = "cv", number = 10), 
                 tuneGrid = data.frame(.cp = seq(.00002,.002,.00002)))
Error in train(y = espana.train$score, x = subset(espana.train, select = -c(score)),  : 
  could not find function "train"
set.seed(123)
best.rf <- randomForest(score~. ,data = espana.train[,2:95] )
spain.boost <- 
  
  xgboost(
    data = data.matrix(espana.train[, 2:94]),
    label = espana.train$score,
    nrounds = 1000,
    objective = "reg:squarederror",
    early_stopping_rounds = 3,
    max_depth = 6,
    eta = .25
      
  )
pred_xgb <- predict(spain.boost, data.matrix(espana.test[, 2:94]))

yhat <- pred_xgb
y <- espana.test$score
postResample(yhat, y)
      RMSE   Rsquared        MAE 
63.5236962  0.4392783 50.5827281 
r <- y - yhat
plot(r, ylab = "residuals", )


plot(y,
     yhat,
     xlab = "actual",
     ylab = "predicted",
     )
abline(lm(yhat ~ y))


#plot first 3 trees of model
xgb.plot.tree(model = spain.boost, trees = 0:2)

importance_matrix <- xgb.importance(model = spain.boost)
xgb.plot.importance(importance_matrix, xlab = "Feature Importance")

#grid search
#create hyperparameter grid
hyper_grid <- expand.grid(max_depth = seq(3, 6, 1),
                          eta = seq(.2, .35, .01))
xgb_train_rmse <- NULL
xgb_test_rmse <- NULL

for (j in 1:nrow(hyper_grid)) {
  set.seed(123)
  m_xgb_untuned <- xgb.cv(
    data = data.matrix(train[, 2:94]),
    label = train$score,
    nrounds = 1000,
    objective = "reg:squarederror",
    early_stopping_rounds = 3,
    nfold = 5,
    max_depth = hyper_grid$max_depth[j],
    eta = hyper_grid$eta[j]
  )
  
  xgb_train_rmse[j] <- m_xgb_untuned$evaluation_log$train_rmse_mean[m_xgb_untuned$best_iteration]
  xgb_test_rmse[j] <- m_xgb_untuned$evaluation_log$test_rmse_mean[m_xgb_untuned$best_iteration]
  
  cat(j, "\n")
}

#ideal hyperparamters
hyper_grid[which.min(xgb_test_rmse), ]
all.boost <- 
  
  xgboost(
    data = data.matrix(train[, 1:94]),
    label = train$score,
    nrounds = 1000,
    objective = "reg:squarederror",
    early_stopping_rounds = 3,
    max_depth = 6,
    eta = .25
  )
[1] train-rmse:370.803035 
Will train until train_rmse hasn't improved in 3 rounds.

[2] train-rmse:282.538115 
[3] train-rmse:217.469363 
[4] train-rmse:169.996374 
[5] train-rmse:135.902375 
[6] train-rmse:112.009252 
[7] train-rmse:95.687091 
[8] train-rmse:84.938868 
[9] train-rmse:77.943139 
[10]    train-rmse:73.380024 
[11]    train-rmse:70.593671 
[12]    train-rmse:68.691411 
[13]    train-rmse:67.448961 
[14]    train-rmse:66.542674 
[15]    train-rmse:65.893865 
[16]    train-rmse:65.359154 
[17]    train-rmse:64.938694 
[18]    train-rmse:64.574779 
[19]    train-rmse:64.252799 
[20]    train-rmse:63.938396 
[21]    train-rmse:63.646658 
[22]    train-rmse:63.274017 
[23]    train-rmse:63.025994 
[24]    train-rmse:62.819354 
[25]    train-rmse:62.633124 
[26]    train-rmse:62.450422 
[27]    train-rmse:62.199812 
[28]    train-rmse:62.047562 
[29]    train-rmse:61.843672 
[30]    train-rmse:61.605234 
[31]    train-rmse:61.214387 
[32]    train-rmse:61.068838 
[33]    train-rmse:60.912355 
[34]    train-rmse:60.786016 
[35]    train-rmse:60.661086 
[36]    train-rmse:60.535556 
[37]    train-rmse:60.420085 
[38]    train-rmse:60.299938 
[39]    train-rmse:60.119588 
[40]    train-rmse:60.012108 
[41]    train-rmse:59.830227 
[42]    train-rmse:59.727571 
[43]    train-rmse:59.618978 
[44]    train-rmse:59.475945 
[45]    train-rmse:59.383108 
[46]    train-rmse:59.278217 
[47]    train-rmse:59.177116 
[48]    train-rmse:59.082638 
[49]    train-rmse:58.963467 
[50]    train-rmse:58.865221 
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[573]   train-rmse:42.122555 
[574]   train-rmse:42.098405 
[575]   train-rmse:42.083283 
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[577]   train-rmse:42.032460 
[578]   train-rmse:42.012596 
[579]   train-rmse:41.987041 
[580]   train-rmse:41.962819 
[581]   train-rmse:41.946734 
[582]   train-rmse:41.917388 
[583]   train-rmse:41.896108 
[584]   train-rmse:41.880038 
[585]   train-rmse:41.864266 
[586]   train-rmse:41.845268 
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[588]   train-rmse:41.799215 
[589]   train-rmse:41.779613 
[590]   train-rmse:41.768436 
[591]   train-rmse:41.754211 
[592]   train-rmse:41.734460 
[593]   train-rmse:41.710531 
[594]   train-rmse:41.697114 
[595]   train-rmse:41.678632 
[596]   train-rmse:41.659520 
[597]   train-rmse:41.643250 
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[601]   train-rmse:41.565588 
[602]   train-rmse:41.552112 
[603]   train-rmse:41.531911 
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[605]   train-rmse:41.484976 
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[607]   train-rmse:41.445920 
[608]   train-rmse:41.423629 
[609]   train-rmse:41.406608 
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[612]   train-rmse:41.349376 
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[991]   train-rmse:35.179364 
[992]   train-rmse:35.168752 
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[994]   train-rmse:35.142173 
[995]   train-rmse:35.130742 
[996]   train-rmse:35.119604 
[997]   train-rmse:35.100532 
[998]   train-rmse:35.082863 
[999]   train-rmse:35.068889 
[1000]  train-rmse:35.053877 
pred_xgb.all <- predict(all.boost, data.matrix(test[, 1:94]))

yhat <- pred_xgb.all
y <- test$score
postResample(yhat, y)
      RMSE   Rsquared        MAE 
60.1041069  0.5843453 47.4517182 
r <- y - yhat
plot(r, ylab = "residuals", )


plot(y,
     yhat,
     xlab = "actual",
     ylab = "predicted",
     )
abline(lm(yhat ~ y))


#plot first 3 trees of model
xgb.plot.tree(model = all.boost, trees = 0:2)

importance_matrix <- xgb.importance(model = all.boost)
xgb.plot.importance(importance_matrix, xlab = "Feature Importance")

pred.train <- predict(espana.model, newdata=espana.train) #R2 train
pred.test <- predict(espana.model, newdata=espana.test)   #R2 test

lin.reg.R2.espana.train <- R2(pred.train,espana.train$score)
lin.reg.MAE.espana.train <-mean(abs(espana.train$score-pred.train))
lin.reg.RMSE.espana.train <-sqrt(mean((espana.train$score-pred.train)^2))

lin.reg.R2.espana.test <- R2(pred.test,espana.test$score)                 
lin.reg.MAE.espana.test <-mean(abs(espana.test$score-pred.test))
lin.reg.RMSE.espana.test <-sqrt(mean((espana.test$score-pred.test)^2))

linear.summary <- data.frame(
             train.r2 = lin.reg.R2.espana.train,
             train.MAE = lin.reg.MAE.espana.train,
             train.RMSE = lin.reg.RMSE.espana.train,
             test.r2 = lin.reg.R2.espana.test,
             test.MAE = lin.reg.MAE.espana.test,
             test.RMSE = lin.reg.RMSE.espana.test )

print(linear.summary)
             
#predict cart
cart.espana.train.pred <- predict(best.tree, newdata =espana.train )
cart.espana.test.pred <- predict(best.tree, newdata = espana.test)


CART.R2.espana.train <- R2(cart.espana.train.pred,espana.train$score)
CART.MAE.espana.train <- mean(abs(espana.train$score-cart.espana.train.pred))
CART.RMSE.espana.train <- sqrt(mean((espana.train$score-cart.espana.train.pred)^2))

CART.R2.espana.test <- R2(cart.espana.test.pred,espana.test$score)
CART.MAE.espana.test <- mean(abs(espana.test$score-cart.espana.test.pred))
CART.RMSE.espana.test <- sqrt(mean((espana.test$score-cart.espana.test.pred)^2))

#predict RF

rf.espana.train.pred <- predict(best.rf,newdata = espana.train)
rf.espana.test.pred <- predict(best.rf,newdata = espana.test)

RF.R2.espana.train <- R2(rf.espana.train.pred,espana.train$score)
RF.MAE.espana.train <- mean(abs(espana.train$score-rf.espana.train.pred))
RF.RMSE.espana.train <- sqrt(mean((espana.train$score-rf.espana.train.pred)^2))


RF.R2.espana.test <- R2(rf.espana.test.pred,espana.test$score)
RF.MAE.espana.test <- mean(abs(espana.test$score-rf.espana.test.pred))
RF.RMSE.espana.test <- sqrt(mean((espana.test$score-rf.espana.test.pred)^2))
# Summary

a = "Linear"
b = "Cart"
c = "Rf"
summary_statistics <- data.frame(
  row.name = c(a,b,c),
  IS.R2 = c(lin.reg.R2.espana.train,CART.R2.espana.train,RF.R2.espana.train),
  IS.MAE = c(lin.reg.MAE.espana.train,CART.MAE.espana.train,RF.MAE.espana.train),
  IS.RMSE = c(lin.reg.RMSE.espana.train,CART.RMSE.espana.train,RF.RMSE.espana.train),
  OOS.R2 = c(lin.reg.R2.espana.test,CART.R2.espana.test,RF.R2.espana.test),
  OOS.MAE = c(lin.reg.MAE.espana.test,CART.MAE.espana.test,RF.MAE.espana.test),
  OOS.RMSE = c(lin.reg.RMSE.espana.test,CART.RMSE.espana.test,RF.RMSE.espana.test)
)
print(summary_statistics)

Lasso regression to lower variables needed

library(glmnet)
cv_model <- cv.glmnet(data.matrix(espana.pisa[,2:94]),espana.pisa$score, alpha = 1)
best_lambda <- cv_model$lambda.min
best_lambda
plot(cv_model)
country <- glmnet(data.matrix(espana.pisa[,2:94]),espana.pisa$score, alpha = 1, lambda = best_lambda)
coef(country)
y_predicted <- predict(country, s = best_lambda, newx = data.matrix(espana.test[,2:94]))

#find SST and SSE
sst <- sum((espana.test$score - mean(espana.test$score))^2)
sse <- sum((y_predicted - espana.test$score)^2)

#find R-Squared
rsq <- 1 - sse/sst
rsq

cv_all <- cv.glmnet(data.matrix(clean.data[,1:94]),clean.data$score, alpha = 1)
all.lambda <- cv_all$lambda.min
all.lambda
plot(cv_all)
all.country <- glmnet(data.matrix(train[,1:94]),train$score, alpha = 1, lambda = all.lambda)
coef(all.country)
y_predicted <- predict(all.country, s = all.lambda, newx = data.matrix(test[,1:94]))

#find SST and SSE
sst <- sum((test$score - mean(test$score))^2)
sse <- sum((y_predicted - test$score)^2)

#find R-Squared
rsq <- 1 - sse/sst
rsq
library(iai)

Attaching package: ‘iai’

The following object is masked from ‘package:stats’:

    predict

The following objects are masked from ‘package:base’:

    apply, transform


iai::install_julia()
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iai::install_system_image()
In order to continue the installation process, please review the license agreement.
yes
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Installed IAI system image to /Users/mauriciodarcourt/Library/Application Support/InterpretableAI/sysimage/v3.1.1
┌ Error: No loaded BLAS libraries were built with ILP64 support
└ @ LinearAlgebra.BLAS /Users/julia/buildbot/worker/package_macos64/build/usr/share/julia/stdlib/v1.7/LinearAlgebra/src/blas.jl:154
Quitting.
grid <- iai::grid_search(
    iai::optimal_tree_regressor(
        random_seed = 123,
    ),
    max_depth = 1:5,
)
iai::predict(grid, test[,1:94])
iai::score(grid, train_X, train_y, criterion = "mse")
iai::score(grid, test_X, test_y, criterion = "mse")
---
title: "pisa"
output: html_notebook
---

```{r}
library(dplyr)
library(intsvy)
library(haven)
library(caret)
library(ggplot2)
library(tidyr)
library(glmnet)
library(caTools)
library(readxl)
library(tidyverse)
library(writexl)
library(caTools)
library(xgboost)
library(DiagrammeR)
```

```{r}
temp_metrics <- read_xlsx(path = "/Users/mauriciodarcourt/Downloads/bkg/pisa_ms_bkg_read_stu_compendium.xlsx")
col.readvars <- temp_metrics$metrics
```

```{r}

stu_headers <- read_xlsx(path = '/Users/mauriciodarcourt/Documents/Pisa/data/2018/headers.xlsx')
stu_headers_list <- stu_headers$stu_headers
```


```{r}
stu_headers
```

######Grabbing all variables measured in pisa

```{r}

df <- data.frame(stu_headers)
#write_xlsx(df,path = "/Users/mauriciodarcourt/Documents/Pisa/data/2018/headers.xlsx")
```

```{r}
check <- function(list1,list2){
  
  temp_list <- list()
  for(x in list1){
    if ((x %in% (list2))){
      temp_list <- append(temp_list,x)
    }
  }
return(temp_list)
}

```

```{r}
a.check <- check(col.readvars,stu_headers_list)
a <- do.call(rbind.data.frame,a.check)
```

```{r}
pisa <- pisa.select.merge(folder = "/Users/mauriciodarcourt/Documents/Pisa/data/2018/final",student.file = "CY07_MSU_STU_QQQ.sav", school.file = "CY07_MSU_SCH_QQQ.sav",student= a.check

)

```

###CLeaning dataset and piecing together

```{r}
#identifier data[,c("CNT",)]
id <- data.frame(pisa$CNT)
body <- pisa[,names(pisa) %in% a$c..ST004D01T....ST011Q01TA....ST011Q02TA....ST011Q03TA....ST011Q04TA...]

start = match("PV1READ",names(pisa))
end = match("PV10READ",names(pisa))

score<- data.frame(pisa[,start:end])
score <- rowMeans(score)
clean.data <- data.frame(id , body, score)
clean.data <- clean.data[complete.cases(clean.data),]
cc <- sum(complete.cases(clean.data))
```

```{r}
table(clean.data$pisa.CNT)
```

Factors for categorical variables

```{r}
for (x in 1:90){
  
  clean.data[,x:x] <- as.factor(clean.data[,x:x])  
}
  
```

Create training and testing split
```{r}

set.seed(101) 
sample = sample.split(clean.data$REPEAT, SplitRatio = .7)
train = subset(clean.data, sample == TRUE)
test  = subset(clean.data, sample == FALSE)
```

linear model
```{r}
model <- lm(score ~ . ,data = train,)
```

lm model results
```{r}
summary(model)
```

accuracy linear model 
```{r}
pred.train <- predict(model, newdata=train) #R2 train
pred.test <- predict(model, newdata=test)   #R2 test

lin.reg.R2.train <- R2(pred.train,train$score)
lin.reg.MAE.train <-mean(abs(train$score-pred.train))
lin.reg.RMSE.train <-sqrt(mean((train$score-pred.train)^2))

lin.reg.R2.test <- R2(pred.test,test$score)                 
lin.reg.MAE.test <-mean(abs(test$score-pred.test))
lin.reg.RMSE.test <-sqrt(mean((test$score-pred.test)^2))

linear.summary <- data.frame(
             train.r2 = lin.reg.R2.train,
             train.MAE = lin.reg.MAE.train,
             train.RMSE = lin.reg.RMSE.train,
             test.r2 = lin.reg.R2.test,
             test.MAE = lin.reg.MAE.test,
             test.RMSE = lin.reg.RMSE.test )

print(linear.summary)
             
```

```{r}
library(rpart)
library(randomForest)
library(rpart.plot)
```

```{r}
cv.trees = train(y = train$score, x = subset(train, select = -c(score))  , method = "rpart", 
                 trControl = trainControl(method = "cv", number = 10), 
                 tuneGrid = data.frame(.cp = seq(.00002,.002,.00002)))
pdf('CART.pdf',12,12)
prp(cv.trees$finalModel,varlen=0,faclen=0,digits=3) 
dev.off()

best.tree <- cv.trees$finalModel
```

```{r}
set.seed(123)
best.rf <- randomForest(score~. ,data = train )
```

```{r}
#predict cart
cart.train.pred <- predict(best.tree, newdata =train )
cart.test.pred <- predict(best.tree, newdata = test)


CART.R2.train <- R2(cart.train.pred,train$score)
CART.MAE.train <- mean(abs(train$score-cart.train.pred))
CART.RMSE.train <- sqrt(mean((train$score-cart.train.pred)^2))

CART.R2.test <- R2(cart.test.pred,test$score)
CART.MAE.test <- mean(abs(test$score-cart.test.pred))
CART.RMSE.test <- sqrt(mean((test$score-cart.test.pred)^2))

#predict RF

#rf.train.pred <- predict(best.rf,newdata = train)
#rf.test.pred <- predict(best.rf,newdata = test)

#RF.R2.train <- R2(rf.train.pred,train$score)
#RF.MAE.train <- mean(abs(train$score-rf.train.pred))
#RF.RMSE.train <- sqrt(mean((train$score-rf.train.pred)^2))


#RF.R2.test <- R2(rf.test.pred,test$score)
#RF.MAE.test <- mean(abs(test$score-rf.test.pred))
#RF.RMSE.test <- sqrt(mean((test$score-rf.test.pred)^2))
```

```{r}
# Summary

a = "Linear"
b = "Cart"
c = "Rf"
summary_statistics <- data.frame(
  row.name = c(a,b,c),
  IS.R2 = c(lin.reg.R2.train,CART.R2.train,RF.R2.train),
  IS.MAE = c(lin.reg.MAE.train,CART.MAE.train,RF.MAE.train),
  IS.RMSE = c(lin.reg.RMSE.train,CART.RMSE.train,RF.RMSE.train),
  OOS.R2 = c(lin.reg.R2.test,CART.R2.test,RF.R2.test),
  OOS.MAE = c(lin.reg.MAE.test,CART.MAE.test,RF.MAE.test),
  OOS.RMSE = c(lin.reg.RMSE.test,CART.RMSE.test,RF.RMSE.test)
)
```

```{r}
print(summary_statistics)
```

------------------------------------------------------------------------

Sub-setting per Country

```{r}
espana.pisa <- subset(clean.data,clean.data$pisa.CNT == 'ESP')

```

```{r}

set.seed(101) 
sample = sample.split(espana.pisa$IMMIG, SplitRatio = .7)
espana.train = subset(espana.pisa, sample == TRUE)
espana.test  = subset(espana.pisa, sample == FALSE)
```

```{r}
espana.model <- lm(score ~ . ,data = espana.train[,2:95],)
```

```{r}
summary(espana.model)
```

```{r}
cv.trees = train(y = espana.train$score, x = subset(espana.train, select = -c(score))  , method = "rpart", 
                 trControl = trainControl(method = "cv", number = 10), 
                 tuneGrid = data.frame(.cp = seq(.00002,.002,.00002)))
pdf('spaincheck.pdf',12,12)
prp(cv.trees$finalModel,varlen=0,faclen=0,digits=3) 
dev.off()

best.tree <- cv.trees$finalModel
```

```{r}
set.seed(123)
best.rf <- randomForest(score~. ,data = espana.train[,2:95] )
```



```{r}
spain.boost <- 
  
  xgboost(
    data = data.matrix(espana.train[, 2:94]),
    label = espana.train$score,
    nrounds = 1000,
    objective = "reg:squarederror",
    early_stopping_rounds = 3,
    max_depth = 6,
    eta = .25
      
  )

```

```{r}
pred_xgb <- predict(spain.boost, data.matrix(espana.test[, 2:94]))

yhat <- pred_xgb
y <- espana.test$score
postResample(yhat, y)

r <- y - yhat
plot(r, ylab = "residuals", )

plot(y,
     yhat,
     xlab = "actual",
     ylab = "predicted",
     )
abline(lm(yhat ~ y))

#plot first 3 trees of model
xgb.plot.tree(model = spain.boost, trees = 0:2)

importance_matrix <- xgb.importance(model = spain.boost)
xgb.plot.importance(importance_matrix, xlab = "Feature Importance")

```
```{r}
#grid search
#create hyperparameter grid
hyper_grid <- expand.grid(max_depth = seq(3, 6, 1),
                          eta = seq(.2, .35, .01))
xgb_train_rmse <- NULL
xgb_test_rmse <- NULL

for (j in 1:nrow(hyper_grid)) {
  set.seed(123)
  m_xgb_untuned <- xgb.cv(
    data = data.matrix(train[, 2:94]),
    label = train$score,
    nrounds = 1000,
    objective = "reg:squarederror",
    early_stopping_rounds = 3,
    nfold = 5,
    max_depth = hyper_grid$max_depth[j],
    eta = hyper_grid$eta[j]
  )
  
  xgb_train_rmse[j] <- m_xgb_untuned$evaluation_log$train_rmse_mean[m_xgb_untuned$best_iteration]
  xgb_test_rmse[j] <- m_xgb_untuned$evaluation_log$test_rmse_mean[m_xgb_untuned$best_iteration]
  
  cat(j, "\n")
}

#ideal hyperparamters
hyper_grid[which.min(xgb_test_rmse), ]
```


```{r}
all.boost <- 
  
  xgboost(
    data = data.matrix(train[, 2:94]),
    label = train$score,
    nrounds = 1000,
    objective = "reg:squarederror",
    early_stopping_rounds = 3,
    max_depth = 6,
    eta = .25
  )

```


```{r}
pred_xgb.all <- predict(all.boost, data.matrix(test[, 2:94]))

yhat <- pred_xgb.all
y <- test$score
postResample(yhat, y)

r <- y - yhat
plot(r, ylab = "residuals", )

plot(y,
     yhat,
     xlab = "actual",
     ylab = "predicted",
     )
abline(lm(yhat ~ y))

#plot first 3 trees of model
xgb.plot.tree(model = all.boost, trees = 0:2)

importance_matrix <- xgb.importance(model = all.boost)
xgb.plot.importance(importance_matrix, xlab = "Feature Importance")
```


```{r}
pred.train <- predict(espana.model, newdata=espana.train) #R2 train
pred.test <- predict(espana.model, newdata=espana.test)   #R2 test

lin.reg.R2.espana.train <- R2(pred.train,espana.train$score)
lin.reg.MAE.espana.train <-mean(abs(espana.train$score-pred.train))
lin.reg.RMSE.espana.train <-sqrt(mean((espana.train$score-pred.train)^2))

lin.reg.R2.espana.test <- R2(pred.test,espana.test$score)                 
lin.reg.MAE.espana.test <-mean(abs(espana.test$score-pred.test))
lin.reg.RMSE.espana.test <-sqrt(mean((espana.test$score-pred.test)^2))

linear.summary <- data.frame(
             train.r2 = lin.reg.R2.espana.train,
             train.MAE = lin.reg.MAE.espana.train,
             train.RMSE = lin.reg.RMSE.espana.train,
             test.r2 = lin.reg.R2.espana.test,
             test.MAE = lin.reg.MAE.espana.test,
             test.RMSE = lin.reg.RMSE.espana.test )

print(linear.summary)
             
```

```{r}
#predict cart
cart.espana.train.pred <- predict(best.tree, newdata =espana.train )
cart.espana.test.pred <- predict(best.tree, newdata = espana.test)


CART.R2.espana.train <- R2(cart.espana.train.pred,espana.train$score)
CART.MAE.espana.train <- mean(abs(espana.train$score-cart.espana.train.pred))
CART.RMSE.espana.train <- sqrt(mean((espana.train$score-cart.espana.train.pred)^2))

CART.R2.espana.test <- R2(cart.espana.test.pred,espana.test$score)
CART.MAE.espana.test <- mean(abs(espana.test$score-cart.espana.test.pred))
CART.RMSE.espana.test <- sqrt(mean((espana.test$score-cart.espana.test.pred)^2))

#predict RF

rf.espana.train.pred <- predict(best.rf,newdata = espana.train)
rf.espana.test.pred <- predict(best.rf,newdata = espana.test)

RF.R2.espana.train <- R2(rf.espana.train.pred,espana.train$score)
RF.MAE.espana.train <- mean(abs(espana.train$score-rf.espana.train.pred))
RF.RMSE.espana.train <- sqrt(mean((espana.train$score-rf.espana.train.pred)^2))


RF.R2.espana.test <- R2(rf.espana.test.pred,espana.test$score)
RF.MAE.espana.test <- mean(abs(espana.test$score-rf.espana.test.pred))
RF.RMSE.espana.test <- sqrt(mean((espana.test$score-rf.espana.test.pred)^2))
```

```{r}
# Summary

a = "Linear"
b = "Cart"
c = "Rf"
summary_statistics <- data.frame(
  row.name = c(a,b,c),
  IS.R2 = c(lin.reg.R2.espana.train,CART.R2.espana.train,RF.R2.espana.train),
  IS.MAE = c(lin.reg.MAE.espana.train,CART.MAE.espana.train,RF.MAE.espana.train),
  IS.RMSE = c(lin.reg.RMSE.espana.train,CART.RMSE.espana.train,RF.RMSE.espana.train),
  OOS.R2 = c(lin.reg.R2.espana.test,CART.R2.espana.test,RF.R2.espana.test),
  OOS.MAE = c(lin.reg.MAE.espana.test,CART.MAE.espana.test,RF.MAE.espana.test),
  OOS.RMSE = c(lin.reg.RMSE.espana.test,CART.RMSE.espana.test,RF.RMSE.espana.test)
)
```

```{r}
print(summary_statistics)
```

Lasso regression to lower variables needed

```{r}
library(glmnet)
```

```{r}
cv_model <- cv.glmnet(data.matrix(espana.pisa[,2:94]),espana.pisa$score, alpha = 1)
```

```{r}
best_lambda <- cv_model$lambda.min
best_lambda
plot(cv_model)
```

```{r}
country <- glmnet(data.matrix(espana.pisa[,2:94]),espana.pisa$score, alpha = 1, lambda = best_lambda)
coef(country)
```

```{r}
y_predicted <- predict(country, s = best_lambda, newx = data.matrix(espana.test[,2:94]))

#find SST and SSE
sst <- sum((espana.test$score - mean(espana.test$score))^2)
sse <- sum((y_predicted - espana.test$score)^2)

#find R-Squared
rsq <- 1 - sse/sst
rsq
```

```{r}

cv_all <- cv.glmnet(data.matrix(clean.data[,1:94]),clean.data$score, alpha = 1)
```

```{r}
all.lambda <- cv_all$lambda.min
all.lambda
plot(cv_all)
```

```{r}
all.country <- glmnet(data.matrix(train[,1:94]),train$score, alpha = 1, lambda = all.lambda)
coef(all.country)
```

```{r}
y_predicted <- predict(all.country, s = all.lambda, newx = data.matrix(test[,1:94]))

#find SST and SSE
sst <- sum((test$score - mean(test$score))^2)
sse <- sum((y_predicted - test$score)^2)

#find R-Squared
rsq <- 1 - sse/sst
rsq
```




```{r}
library(iai)
```

```{r}



iai::install_julia()
iai::install_system_image()
```


```{r}
grid <- iai::grid_search(
    iai::optimal_tree_regressor(
        random_seed = 123,
    ),
    max_depth = 1:5,
)
iai::fit(grid, train[,1:94], train$score)
iai::get_learner(grid)
```

```{r}
iai::predict(grid, test[,1:94])
iai::score(grid, train_X, train_y, criterion = "mse")
iai::score(grid, test_X, test_y, criterion = "mse")
```

